Monday, March 29, 2010
Early Winter Medevac
This was in late Feb/early March. An entire plane for 2 pts... they had a great view on the way out! The timing was great. An Antarctic gale moved in while the plane was on the ground. You can see Black Island disappearing in the pics (ominous sign), then the wind whipped up, and the plane took off into the teeth of it. Ambo died at one point. The ride back was interesting- our Ford Renegade ARFF vehicles are grossly overloaded. They can almost make it from Pegasus to McMurdo without overheating and spilling glycol everywhere, but not quite.
Sunday, March 28, 2010
Wednesday, March 17, 2010
Sunday, March 14, 2010
Friday, March 12, 2010
Thursday, March 4, 2010
Wednesday, March 3, 2010
McMurdo got a taste of the tsunami Sunday...
At 0200 or so, the station manager called up components of the Emergency Operations Committee to formulate an action plan.
Sunday all foot and vehicle traffic was banned from low-lying areas near town and from the Sea Ice. There were unofficial reports of some sea level rise and increase in wave activity. Unfortunately, in spite of McMurdo's scientific mission and raison d'etre, official tsunami measurement attempts were prohibited due to perceived unsafeness. Monday the sea ice roads were evaluated for soundness and re-opened.
Rumor has it the Kiwis took sealevel measurements. Someday, when Americans hide trembling within their homes, the Kiwis will inherit the earth.
At 0200 or so, the station manager called up components of the Emergency Operations Committee to formulate an action plan.
Sunday all foot and vehicle traffic was banned from low-lying areas near town and from the Sea Ice. There were unofficial reports of some sea level rise and increase in wave activity. Unfortunately, in spite of McMurdo's scientific mission and raison d'etre, official tsunami measurement attempts were prohibited due to perceived unsafeness. Monday the sea ice roads were evaluated for soundness and re-opened.
Rumor has it the Kiwis took sealevel measurements. Someday, when Americans hide trembling within their homes, the Kiwis will inherit the earth.
Building 155: Main community center....
Mess Hall
Outside views of 155 and its new 'welcome to Walmart' paint job
Serving area: fairly new with lots of stainless steel
155, HWY 2
Handwashing stations outside mess hall 
HWY 2
Building 155 computer kiosk- always empty now that winter has arrived!
Mess Hall
Outside views of 155 and its new 'welcome to Walmart' paint job
Serving area: fairly new with lots of stainless steel
Usually two or three entree options/meal with soup, handbaked breads, sometimes salad, lots of cold salad, fruit, and dessert options.
Best fare I've had, but that's really not saying much- most people arent very impressed!
They do put on a very tasty, varied and visually appealing spread for Sunday brunch and holidays such as Thanksgiving, Christmas, New Years, and Midwinter
155, HWY 2
Handwashing stations outside mess hall
Cold/flu viruses circulate readily through McMurdo, at least until everyone leaves on the last flight out (March 5). I've lived in the tropics, the desert, the arctic, and cold temperate climates, but I've never been sick as often as I have here. During approximately half of my six-month summer season I suffered from sore throat and very swollen tonsils, congestion, muscle aches, and weariness. For I while I had trouble swallowing food and went and got tested for mono, strep throat, and swine flu, but it turns out it was just a common cold/flu virus. I'm almost never sick at home, but apparently this experience is very common here. Most people feel like they've aged 10 years while theyre here. Medical specialists contribute this to a combination of deep dehydration (Antarctica is the driest place on earth but the thirst drive is reduced here) and cold (my body temperature has dropped 2 degrees, a common phenomenon), as well as other poorly-understood factors. Healing is also difficult here. If someone were to break their arm in April, it could be reduced and splinted, but by August there would probably be zero new bone growth. Environmental effects on health are poorly understood. During summer at least, the diet is varied and healthy; I eat much better here than at home. Soaking up summer sun is not hard.
Since R&R in New Zealand in January I've been feeling normal. I've taken a lot more care about hydration and started a creatine regimen, which has miraculously resolved all muscle aches (these were pretty severe after the slightest exercise). Once 24 hr darkness falls in April, McMurdo residents will be faced with new challenges- extreme cold, vit D deficiency, and darkness-related T3 syndrome.
HWY 2
Building 155 computer kiosk- always empty now that winter has arrived!
Sunday, February 28, 2010
Saturday, February 27, 2010
Thursday, February 25, 2010
staffing's tight for the winter... isolated military-style base with no mutual aid, we should have 8 firefighters and 3 officers for winter but we only have 5 of the 8 firefighters right now...
line apparatus are down to 1 pumper in rather rough shape. ARFF vehicles with 3000gals corrosive arctic foam as backup. Did someone ask for a challenge?
line apparatus are down to 1 pumper in rather rough shape. ARFF vehicles with 3000gals corrosive arctic foam as backup. Did someone ask for a challenge?
Wednesday, February 24, 2010
Tuesday, February 23, 2010
Sunday, February 14, 2010
Dorm 201 - my summer home
My dorm room, stocked with books for winter, lounge, bathrooms, trash sorting categories and skua- 2nd hand goods bin, view from the dorm
Friday, February 5, 2010
McMurdo Film Festival- View from my Window
-not for sale or reproduction, thanks to producer, film from i drive
Sunday, January 31, 2010
Antartic Fire Department Supply Line Debate
From: Bragg, Captain (Contractor) Sent: Saturday, January 30, 2010 12:56 AMTo: MCM-Firehouse-All: AFD Supply line survey
Below I have attached a document that I put together to try to help determine objectively what supply line should be carried and used by the AFD in the future. This is what I could put together quickly, please review it if you would and reply with any comments and/or corrections that you might have. I am looking for opinions and suggestions that will help with the process. As always 50 minds should be better than 1 looking at this. And I do have to thank Lt. Hinshilwood and FF/DO Walsh for the assistance and comments.
Please review and send me any comments by Tues. February 2nd.
Thanks.
Antarctic Fire Department Supply Line Survey
January 29, 2010
The selected maximum supply hose line length for these calculations is 1400’. This was selected based upon the distance from hydrant #4 at MMI to building 191 the Carpentry Shop. There are buildings in McMurdo that are further from a hydrant, but this is the furthest regularly occupied building from a water supply.
The calculations are based on available water flow from the hydrant. The ISO method shows a required fire flow of 2850 gpm for total involvement. So obviously the available water flow from the water system is the limiting factor. The latest hydrant flow data from hydrant #4 is 600 gpm. This data is from March of 2008 and the test was conducted with no additional pumping assistance from the water plant. Therefore, we could get 600+ gpm from this hydrant; the actual flow will require further testing.
With our current fleet in full operating condition we can support this operation at 600 gpm. It would require a dual 3” hose lay and an intermediate engine to relay pump to achieve this goal. Thing go down hill quickly at flows past 600 gpm.
Now jumping to a single lay 4” LDH we can expect some different results. At the 600 gpm flow rate, a single 1400’ line will be more than adequate. The limit for and 4” or 5” supply hose is 165 psi FL due to the maximum allowable pressure of an LDH of 185 psi and the required residual intake pressure of 20 psi. Using these numbers, you can see that the 4” hose begins to limit hose lengths at higher flows. At 800 gpm the maximum allowable length is 1300 feet. And at 1000 gpm the maximum allowable length is 900 feet.
And next with 5” single lay LDH we can expect even more distance and/or water flow. At flows up to 1000 gpm a 1400 foot line can be supported without any additional supply engines.
The other factor that I did not include in these calculations is elevation gain from hydrant #4 to building 191. The gain is approximately 80 feet, which equates to 40 psi of additional friction loss. This makes the 4” line a little sketchier in this example.
As I see it for the AFD there are several pros and cons for each type of supply line.
Pros:
Dual 3” – can be used with all existing adapters, hydrants, and hose.
– total weight of 50’ roll is 38 pounds.
LDH 4 or 5” – more water flow and/or longer lays with less apparatus.
– sexless coupling require no double male/female adapters.
Cons:
Dual 3” – high friction loss and limited flow/lengths.
– dual lays require additional coordination and setup.
LDH 4 or 5” – added expense of additional adapters and couplings.
– total weight of 100’ of 4” is 68 pounds and 5” is 84 pounds.
R.J. Bragg
Captain
Antarctic Fire Department
Below I have attached a document that I put together to try to help determine objectively what supply line should be carried and used by the AFD in the future. This is what I could put together quickly, please review it if you would and reply with any comments and/or corrections that you might have. I am looking for opinions and suggestions that will help with the process. As always 50 minds should be better than 1 looking at this. And I do have to thank Lt. Hinshilwood and FF/DO Walsh for the assistance and comments.
Please review and send me any comments by Tues. February 2nd.
Thanks.
Antarctic Fire Department Supply Line Survey
January 29, 2010
The selected maximum supply hose line length for these calculations is 1400’. This was selected based upon the distance from hydrant #4 at MMI to building 191 the Carpentry Shop. There are buildings in McMurdo that are further from a hydrant, but this is the furthest regularly occupied building from a water supply.
The calculations are based on available water flow from the hydrant. The ISO method shows a required fire flow of 2850 gpm for total involvement. So obviously the available water flow from the water system is the limiting factor. The latest hydrant flow data from hydrant #4 is 600 gpm. This data is from March of 2008 and the test was conducted with no additional pumping assistance from the water plant. Therefore, we could get 600+ gpm from this hydrant; the actual flow will require further testing.
With our current fleet in full operating condition we can support this operation at 600 gpm. It would require a dual 3” hose lay and an intermediate engine to relay pump to achieve this goal. Thing go down hill quickly at flows past 600 gpm.
Now jumping to a single lay 4” LDH we can expect some different results. At the 600 gpm flow rate, a single 1400’ line will be more than adequate. The limit for and 4” or 5” supply hose is 165 psi FL due to the maximum allowable pressure of an LDH of 185 psi and the required residual intake pressure of 20 psi. Using these numbers, you can see that the 4” hose begins to limit hose lengths at higher flows. At 800 gpm the maximum allowable length is 1300 feet. And at 1000 gpm the maximum allowable length is 900 feet.
And next with 5” single lay LDH we can expect even more distance and/or water flow. At flows up to 1000 gpm a 1400 foot line can be supported without any additional supply engines.
The other factor that I did not include in these calculations is elevation gain from hydrant #4 to building 191. The gain is approximately 80 feet, which equates to 40 psi of additional friction loss. This makes the 4” line a little sketchier in this example.As I see it for the AFD there are several pros and cons for each type of supply line.
Pros:
Dual 3” – can be used with all existing adapters, hydrants, and hose.
– total weight of 50’ roll is 38 pounds.
LDH 4 or 5” – more water flow and/or longer lays with less apparatus.
– sexless coupling require no double male/female adapters.
Cons:
Dual 3” – high friction loss and limited flow/lengths.
– dual lays require additional coordination and setup.
LDH 4 or 5” – added expense of additional adapters and couplings.
– total weight of 100’ of 4” is 68 pounds and 5” is 84 pounds.
R.J. Bragg
Captain
Antarctic Fire Department
AFD Supply Line Debate Continues
Reply:
My fellow hose jockeys, through scientific studies, equations, and diagrams I will show you why smaller supply lines are in our favor rather than large diameter hose. Thank you to Walt the plumber and Kiwi Army Blackie & Nicole for their valued assistance.
To determine how much a hose line weighs we will complete the simple math equations to find out the specific weight of each hose diameter in question. In order to find the amount of water in a charged hose line we will use the Volume of a Cylinder Equation,
V = π x r² x h
V = Volume π = 3.14 r = Radius h = Height
First we must identity the characteristics of the hose in question.
5in Large Diameter Hose (LDH): π = 3.14 r = 2.5in h = 100ft
4in LDH: π = 3.14 r = 2in h = 100ft
3in: π = 3.14 r = 1.5in h = 100ft
All measurements must be converted to the same units to equate. Convert feet to inches.
Set up the problem for each hose diameter and solve.
V = 3.14 x 2.5² x 1200 = 23550in³
Using the cancellation table to cancel out all units, except the desired gallons.
V = 3.14 x 2² x 1200 = 15072in³
V = 3.14 x 1.5² x 1200 = 8478in³
Now water weighs roughly 8.33lbs/US Gallon. Figuring this and the weight of the hose will give us the total weight of the hose when full of water.
8.33 x 102 + 84 = 934 lbs for 5”
8.33 x 65 + 68 = 610 lbs for 4”
8.33 x 38 + 38 = 355 lbs for 3”
With temperatures regularly being below 32ºF/0ºC, the freezing point of water, it is common for hose lines in Antarctica to build ice accumulation. The ultimate question is this: would you rather try and maneuver the frozen 5” hose weighing 934 pounds or the 3” hose weighing only 355 pounds?
Conclusion: Frozen 3” is less than frozen 5” or 4” supply lines. Thank you.
(Courtesy of Lt Hardrick)
My fellow hose jockeys, through scientific studies, equations, and diagrams I will show you why smaller supply lines are in our favor rather than large diameter hose. Thank you to Walt the plumber and Kiwi Army Blackie & Nicole for their valued assistance.
To determine how much a hose line weighs we will complete the simple math equations to find out the specific weight of each hose diameter in question. In order to find the amount of water in a charged hose line we will use the Volume of a Cylinder Equation,
V = π x r² x h
V = Volume π = 3.14 r = Radius h = Height
First we must identity the characteristics of the hose in question.
5in Large Diameter Hose (LDH): π = 3.14 r = 2.5in h = 100ft
4in LDH: π = 3.14 r = 2in h = 100ft
3in: π = 3.14 r = 1.5in h = 100ft
All measurements must be converted to the same units to equate. Convert feet to inches.
Set up the problem for each hose diameter and solve.
V = 3.14 x 2.5² x 1200 = 23550in³
Using the cancellation table to cancel out all units, except the desired gallons.
V = 3.14 x 2² x 1200 = 15072in³
V = 3.14 x 1.5² x 1200 = 8478in³
Now water weighs roughly 8.33lbs/US Gallon. Figuring this and the weight of the hose will give us the total weight of the hose when full of water.
8.33 x 102 + 84 = 934 lbs for 5”
8.33 x 65 + 68 = 610 lbs for 4”
8.33 x 38 + 38 = 355 lbs for 3”
With temperatures regularly being below 32ºF/0ºC, the freezing point of water, it is common for hose lines in Antarctica to build ice accumulation. The ultimate question is this: would you rather try and maneuver the frozen 5” hose weighing 934 pounds or the 3” hose weighing only 355 pounds?
Conclusion: Frozen 3” is less than frozen 5” or 4” supply lines. Thank you.
(Courtesy of Lt Hardrick)
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